Home / 13,519,249,442.53-18,654,097,388.78-7,801,447,933.59

Finding the Fourth Proportional to 13,519,249,442.53, 18,654,097,388.78 and 7,801,447,933.59

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Solution

The fourth proportional to 13,519,249,442.53, 18,654,097,388.78 and 7,801,447,933.59 is: 10,764,574,627.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519,249,442.53 : 18,654,097,388.78 = 7,801,447,933.59 : x
  2. Step 2: Convert to fraction form
    13,519,249,442.53/18,654,097,388.78 = 7,801,447,933.59/x
  3. Step 3: Cross multiply
    13,519,249,442.53x = 18,654,097,388.78 × 7,801,447,933.59
  4. Step 4: Simplify right side
    13,519,249,442.53x = 145,528,969,526,747,086,848
  5. Step 5: Solve for x
    x = 145,528,969,526,747,086,848/13,519,249,442.53
  6. Step 6: Final answer
    x = 10,764,574,627.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.